Home / 531,563,132.40-797,344,698.60-143,385,212.40

Finding the Fourth Proportional to 531,563,132.40, 797,344,698.60 and 143,385,212.40

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Solution

The fourth proportional to 531,563,132.40, 797,344,698.60 and 143,385,212.40 is: 215,077,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,563,132.40 : 797,344,698.60 = 143,385,212.40 : x
  2. Step 2: Convert to fraction form
    531,563,132.40/797,344,698.60 = 143,385,212.40/x
  3. Step 3: Cross multiply
    531,563,132.40x = 797,344,698.60 × 143,385,212.40
  4. Step 4: Simplify right side
    531,563,132.40x = 114,327,438,964,774,992
  5. Step 5: Solve for x
    x = 114,327,438,964,774,992/531,563,132.40
  6. Step 6: Final answer
    x = 215,077,818.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.